494 BIRDS OF BRITISH GUIANA. 



659. Tanagra xanthogaster. 



Orange-bellied Euphonia. 



Huphonia ccantltoqaster Sundev. Vet.-Ak. Handl. 1833, p. 310, pi. 10. 



fig. 1 (Brazil). 

 Euphonia xanthogastra Salvin, Ibis, 1885, p. 208 (Merume Mts., 



Camacusa, Atapurau Eiver) ; Sclater, Cat. B. Brit. Mus. xi. p. 67, 



1886 (Eiver Atapurow, Merume Mts , Camacusa). 

 Tanagra xanthoqaster Brabourne & Clmbb, B. S. Amer. i. p. 400, 



no. 4111, 1912. 



Adult male. Crown o£ head, breast, sides of body, abdomen, 

 and under tail-coyerts orange-yellow ; nape and hind-neck glossy 

 violet-purple ; back, wings, and tail glossy steel-blue ; inner 

 webs of flight-quills blackish brown all, except the three outer 

 primaries, white at the base, the white increasing in extent on the 

 inner secondaries, where it occupies quite half the inner web ; a 

 large ovate white spot on the inner web of the outermost tail- 

 feathers ; cheeks and throat dull black ; under wing-coverts and 

 inner edges of quills below white, remainder of the quill-lining 

 ■dark brown ; lower aspect of tail blackish with a white patch on 

 the inner web of the outermost feather on each side. 



Total length 103 mm., exposed culmen 6, wing 60^ tail 32, 

 tarsus 16. 



The exact locality in British Guiana of the male and female 

 described is not known. 



Adult female. General colour of the upper surface dark yel- 

 lowish green with a tinge of bluish grey on the nape ; inner webs 

 of flight-quills blaikish brown paler on the inner margins ; tail- 

 feathers blackish fringed with the same colour as the back ; 

 forehead, feathers surrounding the eye, lores, and chin ochreous- 

 yellow ; sides of body greenish yellow ; fore-neck and middle of 

 breast vinous grey ; middle of abdomen dark fawn-colour ; under 

 tail-coverts old-gold yellow ; axillaries pale canary-yellow ; under 

 wing-coverts white ; under surface of flight-quills hair-brown ; 

 lower aspect of tail similar. Wing 59 mm. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Merume Mountains, Kamakusa, 

 Kamarang River ( Wliitely). 



